With made in the USA active ingredients the Artic Ice 1201 Small Tundra Series is a long-lasting and reusable cooler pack powered by PureTemp technology. The non-toxic, biodegradable phase-change material once fully frozen will maintain a freezing-point temperature -15C, 5F much longer than traditional ice. The small cooler pack will be able to keep food and drinks chilled for an extended length of time. Each small purple cooler pack is 0.75 pounds, last longer than ice, 4.25-inches x 6.25-inches x 1.25-inches, and can be used over 100,000 times.